Within- and Between-Person Correlates of Affect and Sleep Health Among Health Science Students

Overview

Journal Brain Sci

Publisher MDPI

Date 2025 Jan 8

PMID 39766449

Authors

Yueying Wang

Jiechao Yang

Jinjin Yuan

Bilgay Izci-Balserak

Yunping Mu

Pei Chen

Bingqian Zhu

Affiliations

Soon will be listed here.

Abstract

Background/objectives: To examine the relationships between state affect and sleep health at within- and between-person levels among health science students.

Methods: A correlational design was used and 54 health science students were included. The participants completed baseline and 7-day ambulatory assessments in a free-living setting. Daily sleep and affect were measured using the Consensus Sleep Diary and Positive and Negative Affect Schedule. Mixed-effect models were used to examine the effects of affect on sleep health.

Results: The participants were 19.8 (, 0.6) years and 92.6% were females. Approximately 40% had poor sleep quality. Controlling for the potential confounders (e.g., age, sex, and bedtime procrastination), higher within-person negative affect predicted shorter sleep duration, lower sleep efficiency, longer sleep onset latency, and less feeling rested. Higher between-person negative affect predicted shorter sleep duration. Higher within-person positive affect predicted longer sleep onset latency. Higher within- and between-person positive affect predicted more feeling rested.

Conclusions: Negative affect was most consistently associated with sleep health at the individual level. Affect regulation should be considered when delivering personalized interventions targeting sleep health among health science students.

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